836153772940 has 96 divisors (see below), whose sum is σ = 1856380990464. Its totient is φ = 315948729600.

The previous prime is 836153772917. The next prime is 836153773019. The reversal of 836153772940 is 49277351638.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5235265 + ... + 5392615.

It is an arithmetic number, because the mean of its divisors is an integer number (19337301984).

It is a 1-persistent number, because it is pandigital, but 2⋅836153772940 = 1672307545880 is not.

Almost surely, 2^836153772940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836153772940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928190495232).

836153772940 is an abundant number, since it is smaller than the sum of its proper divisors (1020227217524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836153772940 is a wasteful number, since it uses less digits than its factorization.

836153772940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157607 (or 157605 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 836153772940 in words is "eight hundred thirty-six billion, one hundred fifty-three million, seven hundred seventy-two thousand, nine hundred forty".